| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it difficult [to-vb] [adj] [noun] | 14 |
|
| 2 | [vb base] it difficult [verb] [adj] [noun] | 10 |
|
| 3 | [vb base] it difficult [verb] [adj] [noun pl] | 8 |
|
| 4 | make it difficult [verb] [adj] [noun] | 7 |
|
| 5 | find it difficult [verb] [adj] [noun] | 7 |
|
